British Transport Police have released CCTV images after a robbery at Canada Water Station.
The incident happened at 11pm on Saturday 25 January. Two men are reported to have approached the victim and intimidated him into handing over £20.
Officers would like to speak to the men in the images who may have information that could help their investigation.
Anyone who recognises them is asked to contact BTP by texting 61016 or by calling 0800 40 50 40. In both cases, quote reference number 297 of 26/01/20. Alternatively, call Crimestoppers anonymously on 0800 555 111.